Ctech4285's Blog (9)

EPM Cargo Gripper V2 Setup Instructions, Auto Mission and manual RC....


Hello all,

I just finished up the instructions let me know what you guy think!

click this link if you don't like the formatting :)



Added by ctech4285 on February 28, 2014 at 3:30pm — 3 Comments

Anouncting EPM V2 Electro Permanent Magnet and OGCAN CAN BUS daughter card!

We are announcing Version 2 of the EPM, Electro Permanent Magnet and the OpenGrab CAN daughterboard (OGCAN). A simple solution for cargo gripping for UAV’s and robots.

Introduction EPM V2…


Added by ctech4285 on February 13, 2014 at 12:00pm — 20 Comments

Production run PCB's part two: Etching/reverse plating


So last time I went over how we mask PCB's now I am going to show how we etch the boards in 3 minutes flat. Traces down down to 8mil, 1 out of 50 boards might fail.

Here we have part two, let me know what you think!…


Added by ctech4285 on January 17, 2014 at 4:30pm — No Comments

How we make our PCB's Nicadrone.com


I been getting a lot of emails about how we make our PCBs so finally had some time to post something:

Making PCB for production runs

We are in a 3rd world country so we can't get PCBs/asm'ed in anything under 8-10 weeks so we devolved small scale production process.…

Ready to etch


Added by ctech4285 on January 15, 2014 at 3:30pm — 5 Comments

EPM Cargo Gripper. Simple easy method for gripping and relasing cargo on a copter

The EPM Cargo gripper EPM-688-5 V1.21  from http://NicaDrone.com is now supported by APM:Copter master branch.

Master branch != widely tested! Wait for the 3.2 release if you´re not comfortable with that.

This setup has only been tested by the author.  

All this is open source, check out the…


Added by ctech4285 on December 19, 2013 at 9:00am — 24 Comments

Open Grabber Electro Permanent Magnet Kickstarter Project ends on the 26 of December


There has been a lot of support from this community for this project, a lot more than I expected initially. The kickstarter funding periods is set to end in three days. It has been a very interesting ride so far and this is what we already have taken care of:

Importing of Chemicals for PCB fabrication, everything from Iron(|||) chloride to Silkscreen and conformal coding to Electro…


Added by ctech4285 on December 23, 2012 at 5:35pm — 1 Comment

Electro Permanent Magnet for reliable cargo lifting on a quad (kickstarter)

Small light Open Source/HW electro-permanent 10kg (ideal) cargo holding magnet for the DIY multicopter drone and robotics communities

I stumbled upon this idea by reading this great article by Travis Deyle about electro-permanent magnets. These magnets are programmed (on off) with a current pulse. No static energy is required. Changing the magnetic field does require…


Added by ctech4285 on November 27, 2012 at 9:30am — 15 Comments

3D Printed quadcopter parts on ShapeWays.com

Motor 12mm Tube mount in stainless steel!

What do you guys think?

what parts would you like me to…


Added by ctech4285 on March 8, 2012 at 2:00pm — 9 Comments


Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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